CA2383488A1 - Device for lumbar support - Google Patents
Device for lumbar support Download PDFInfo
- Publication number
- CA2383488A1 CA2383488A1 CA002383488A CA2383488A CA2383488A1 CA 2383488 A1 CA2383488 A1 CA 2383488A1 CA 002383488 A CA002383488 A CA 002383488A CA 2383488 A CA2383488 A CA 2383488A CA 2383488 A1 CA2383488 A1 CA 2383488A1
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- seatback frame
- cushion
- seatback
- lumbar support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012528 membrane Substances 0.000 abstract 4
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/28—Seat parts with tensioned springs, e.g. of flat type
- A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Paper (AREA)
- Massaging Devices (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a device for lumbar support for an office chair having a seatback, which consists of seatback frame with a membrane stretched over it, the device being arranged behind the membrane (2) and housed in the seatback frame (1) independently from the membrane (2). It can be arranged with height adjustment and also be horizontally extendible. Preferably, the device of the present invention consists of a central part having two comparably rigid carrier elements (4), which are connected to each other via an elastic element (5) arranged in the center and which on the outside each have lateral guide frames (6); the guide frames (6) are arranged in the seatback frame (1) with sliding adjustment, a cushion (8) attached to an upholstery plate (9) as a front part arranged facing the membrane (2), and a plastic plate (10) as a rear part, the cushion (8) and the plastic plate (10) being connected via a clip connection (11) and the clip connection (11) being guided in tracks (12) of the carrier elements (4).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10121207A DE10121207A1 (en) | 2001-05-01 | 2001-05-01 | Device for lordosis support |
DE10121207.0 | 2001-05-01 | ||
US10/137,335 US6575530B1 (en) | 2001-05-01 | 2002-05-03 | Device for lumbar support |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2383488A1 true CA2383488A1 (en) | 2002-11-01 |
CA2383488C CA2383488C (en) | 2009-02-03 |
Family
ID=27758382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002383488A Expired - Fee Related CA2383488C (en) | 2001-05-01 | 2002-04-24 | Device for lumbar support |
Country Status (7)
Country | Link |
---|---|
US (1) | US6575530B1 (en) |
EP (1) | EP1254616B1 (en) |
AT (1) | ATE297149T1 (en) |
CA (1) | CA2383488C (en) |
DE (2) | DE10121207A1 (en) |
ES (1) | ES2243617T3 (en) |
MX (1) | MXPA02004338A (en) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7014269B2 (en) * | 2001-06-15 | 2006-03-21 | Hon Technology Inc. | Chair back construction |
US7651163B2 (en) | 2002-12-02 | 2010-01-26 | Logicback, Inc. | Lumbar support device |
US7097247B2 (en) * | 2003-06-05 | 2006-08-29 | Steelcase Development Corporation | Seating unit with adjustable lumbar device |
US6893098B2 (en) | 2003-10-07 | 2005-05-17 | Kambiz Kohani | Chair mounted back support system |
JP4127193B2 (en) | 2003-11-13 | 2008-07-30 | コクヨ株式会社 | Chair back |
TWM269799U (en) * | 2005-01-12 | 2005-07-11 | Comfordy Co Ltd | Improvement of reticular chairback structure |
JP4964427B2 (en) * | 2005-03-31 | 2012-06-27 | 株式会社岡村製作所 | Chair backrest device |
DE102006012618A1 (en) | 2006-03-20 | 2007-09-27 | Sedus Stoll Ag | Lumbar support device |
US7585027B2 (en) | 2006-04-07 | 2009-09-08 | Schukra Of North America | Overmolded thin-profile lumbar support |
US7854479B2 (en) * | 2007-04-30 | 2010-12-21 | L&P Property Management Company | Overmolded lumbar support apparatus and method |
US7604298B2 (en) * | 2007-06-01 | 2009-10-20 | Steelcase Development Corporation | Chair back attachment and method of assembly |
US20100078975A1 (en) * | 2008-09-30 | 2010-04-01 | Ming-Shiang Kang | Structure of a single-part elastic waist support |
JP5693837B2 (en) * | 2009-10-19 | 2015-04-01 | 株式会社岡村製作所 | Chair |
US8602494B2 (en) * | 2010-03-16 | 2013-12-10 | Sava Cvek | Pivoting task chair |
US8474909B2 (en) | 2010-09-21 | 2013-07-02 | La-Z-Boy Incorporated | Power lift lumbar support system |
US8991922B2 (en) | 2011-06-02 | 2015-03-31 | Formway Furniture Limited | Lumbar support for a chair |
CN104023593B (en) * | 2011-11-04 | 2016-04-27 | 株式会社冈村制作所 | Chair |
US9199565B2 (en) | 2012-09-13 | 2015-12-01 | Leggett & Platt Canada Co. | Lumbar support system |
US9193287B2 (en) | 2012-09-13 | 2015-11-24 | Leggett & Platt Canada Co. | Lumbar support system |
US10632882B2 (en) | 2012-09-13 | 2020-04-28 | Leggett & Platt Canada Co. | Lumbar support system |
US9193280B2 (en) | 2012-09-13 | 2015-11-24 | Leggett & Platt Canada Co. | Lumbar support system |
US9661930B2 (en) | 2012-09-21 | 2017-05-30 | Steelcase Inc. | Chair construction |
JP5600151B2 (en) * | 2012-09-24 | 2014-10-01 | 株式会社岡村製作所 | Chair backrest device |
DE102012219241B4 (en) * | 2012-10-22 | 2017-11-02 | Sedus Stoll Ag | Seating furniture component and seating |
US9480339B2 (en) | 2012-12-31 | 2016-11-01 | Sava Cvek | Seat with pelvic support |
KR101664651B1 (en) * | 2015-01-16 | 2016-10-10 | 현대자동차주식회사 | Seat for vehicle having improved passenger' neck injury reduction performance |
US10463153B2 (en) | 2016-06-09 | 2019-11-05 | Steelcase Inc. | Seating arrangement |
USD845692S1 (en) | 2016-06-13 | 2019-04-16 | Herman Miller, Inc. | Chair and chair components |
USD845050S1 (en) * | 2016-06-13 | 2019-04-09 | Herman Miller, Inc. | Chair and chair components |
DE102017117847A1 (en) * | 2017-08-07 | 2019-02-07 | Faurecia Autositze Gmbh | Device and method for adjusting a seat |
DE102017117846A1 (en) * | 2017-08-07 | 2019-02-07 | Faurecia Autositze Gmbh | Device and method for adjusting a seat |
US10813463B2 (en) | 2017-12-05 | 2020-10-27 | Steelcase Inc. | Compliant backrest |
USD870479S1 (en) | 2017-12-05 | 2019-12-24 | Steelcase Inc. | Chair |
USD869889S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
USD869890S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
USD869872S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chair |
US11291305B2 (en) | 2017-12-05 | 2022-04-05 | Steelcase Inc. | Compliant backrest |
USD878107S1 (en) | 2018-08-01 | 2020-03-17 | Letronics, Inc. | Combination headrest and lumbar support |
US10952535B2 (en) * | 2018-11-05 | 2021-03-23 | La-Z-Boy Incorporated | Furniture member having lumbar adjustment mechanism |
US11324324B2 (en) | 2018-11-05 | 2022-05-10 | La-Z-Boy Incorporated | Furniture member having lumbar adjustment mechanism |
US11672348B2 (en) | 2018-11-05 | 2023-06-13 | La-Z-Boy Incorporated | Furniture member having lumbar adjustment mechanism |
USD907383S1 (en) | 2019-05-31 | 2021-01-12 | Steelcase Inc. | Chair with upholstered back |
USD907935S1 (en) | 2019-05-31 | 2021-01-19 | Steelcase Inc. | Chair |
US11192652B1 (en) * | 2020-07-16 | 2021-12-07 | B/E Aerospace, Inc. | Passenger seat dress cover with integrated adjustable lumbar support device |
CN112120453B (en) * | 2020-09-02 | 2024-07-09 | 安徽久工健业有限责任公司 | Frame structure of massage chair |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556197A1 (en) * | 1983-12-07 | 1985-06-14 | Renault | Seat backrest having an adjustable lumbar support |
CA2106071A1 (en) * | 1991-06-04 | 1992-12-05 | Mark Andrew Lance | Adjustable lumbar supports for seats |
DE69326241T3 (en) * | 1992-06-15 | 2003-10-30 | Miller Herman Inc | OFFICE CHAIR |
US6220661B1 (en) * | 1999-04-19 | 2001-04-24 | Steelcase Development Inc. | Chair back and method of assembly |
US5871258A (en) * | 1997-10-24 | 1999-02-16 | Steelcase Inc. | Chair with novel seat construction |
DE19856349C2 (en) * | 1998-12-07 | 2003-10-16 | Faurecia Autositze Gmbh & Co | Seat part or backrest of a motor vehicle seat |
DE29918456U1 (en) * | 1999-10-20 | 1999-12-23 | Interstuhl Büromöbel GmbH & Co. KG, 72469 Meßstetten | Chair, especially work chair |
US6354662B1 (en) * | 2001-01-04 | 2002-03-12 | Tung-Hua Su | Waistrest assembly for a chair |
-
2001
- 2001-05-01 DE DE10121207A patent/DE10121207A1/en not_active Withdrawn
-
2002
- 2002-04-24 AT AT02009088T patent/ATE297149T1/en active
- 2002-04-24 EP EP02009088A patent/EP1254616B1/en not_active Expired - Lifetime
- 2002-04-24 ES ES02009088T patent/ES2243617T3/en not_active Expired - Lifetime
- 2002-04-24 CA CA002383488A patent/CA2383488C/en not_active Expired - Fee Related
- 2002-04-24 DE DE50203312T patent/DE50203312D1/en not_active Expired - Lifetime
- 2002-04-30 MX MXPA02004338A patent/MXPA02004338A/en active IP Right Grant
- 2002-05-03 US US10/137,335 patent/US6575530B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6575530B1 (en) | 2003-06-10 |
DE10121207A1 (en) | 2002-11-07 |
ES2243617T3 (en) | 2005-12-01 |
DE50203312D1 (en) | 2005-07-14 |
EP1254616B1 (en) | 2005-06-08 |
EP1254616A3 (en) | 2004-01-14 |
ATE297149T1 (en) | 2005-06-15 |
EP1254616A2 (en) | 2002-11-06 |
CA2383488C (en) | 2009-02-03 |
MXPA02004338A (en) | 2002-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |